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Ultraplan in Claude Code: cloud planning

Anthropic added ultraplan mode to Claude Code for cloud planning of tasks on an isolated VM. Developers launch from CLI, conduct reviews in the browser with comments and reactions. Two implementation options: cloud PR or return to terminal.

By Sudonull Editorial Team • Published • Updated

Claude Code ultraplan: plans in the cloud, terminal free
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# Claude Code: ultraplan Moves Task Planning to the Cloud

Anthropic has introduced ultraplan mode in Claude Code, where development plan generation happens in the cloud on an isolated VM, freeing up the local terminal. Developers launch tasks from the CLI, review plans in the browser at claude.ai/code, and track status in the terminal. This enables iterations with an advanced interface without blocking your local environment.

The cloud environment provides 4 CPU cores, 16 GB RAM, and a pre-installed stack: Python, Node.js, Go, Rust, Docker, PostgreSQL. Sessions persist even after closing the browser and are accessible via the Claude mobile app.

Ways to Launch Ultraplan

The mode activates in three ways:

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  • The /ultraplan [task] command in the CLI.
  • The ultraplan keyword in the prompt.
  • The "Refine in the Cloud" option after Claude's local plan.

Terminal progress shows: ◇ ultraplan during code base analysis, ◆ ultraplan ready when the plan is ready for review.

Review and Iteration Interface

Plan review takes place in the browser with advanced features:

  • Highlight sections and add comments.
  • Emoji reactions on sections.
  • Sidebar navigation through content.

Claude incorporates edits and generates an updated plan. Iterations continue until the final version with no limits.

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After approving the plan, two options are available:

  • Approve and start coding: Cloud-based implementation with pull request creation.
  • Approve and teleport back to terminal: Return the plan to the CLI for local execution, a new session, or saving to a file. The session is archived.

Requirements and Limitations

Ultraplan is available in Pro, Max, or Team subscriptions. Requires a GitHub repository. Incompatible with Remote Control due to interface conflicts.

The cloud VM is isolated, ensuring security and scalability for mid/senior developers working with large codebases.

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Key Points

  • Cloud planning frees up the terminal, with status visible in the CLI.
  • VM with 4 CPU/16 GB RAM and full stack for Python, Node.js, Go, Rust.
  • Advanced browser review: comments, reactions, navigation.
  • Two implementation paths: cloud PR or return to local CLI.
  • Requires Pro subscription and GitHub; incompatible with Remote Control.

— Editorial Team

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Tags

#claude-code #ultraplan #ai-coding #cloud-vm

Topics

AI in development Developer Tools

FAQ

How to run ultraplan in Claude Code?

Use `/ultraplan [task]`, the word `ultraplan` in the prompt or the option «refine in the cloud» after the local plan.

What resources does the cloud VM in ultraplan have?

4 CPU cores, 16 GB RAM, stack: Python, Node.js, Go, Rust, Docker, PostgreSQL.

What to do after approving the plan in ultraplan?

Select Approve and start coding for PR in the cloud or Approve and teleport back to terminal for local application.